The test starts a workload and then opens events. If the events fail
to open, for example because of perf_event_paranoid, the gopipe of the
workload is leaked and the file descriptor leak check fails when the
test exits. To avoid this cancel the workload when opening the events
fails.
Before:
```
$ perf test -vv 7
7: PERF_RECORD_* events & perf_sample fields:
--- start ---
test child forked, pid 1189568
Using CPUID GenuineIntel-6-B7-1
------------------------------------------------------------
perf_event_attr:
type 0 (PERF_TYPE_HARDWARE)
config 0xa00000000 (cpu_atom/PERF_COUNT_HW_CPU_CYCLES/)
disabled 1
------------------------------------------------------------
sys_perf_event_open: pid 0 cpu -1 group_fd -1 flags 0x8
sys_perf_event_open failed, error -13
------------------------------------------------------------
perf_event_attr:
type 0 (PERF_TYPE_HARDWARE)
config 0xa00000000 (cpu_atom/PERF_COUNT_HW_CPU_CYCLES/)
disabled 1
exclude_kernel 1
------------------------------------------------------------
sys_perf_event_open: pid 0 cpu -1 group_fd -1 flags 0x8 = 3
------------------------------------------------------------
perf_event_attr:
type 0 (PERF_TYPE_HARDWARE)
config 0x400000000 (cpu_core/PERF_COUNT_HW_CPU_CYCLES/)
disabled 1
------------------------------------------------------------
sys_perf_event_open: pid 0 cpu -1 group_fd -1 flags 0x8
sys_perf_event_open failed, error -13
------------------------------------------------------------
perf_event_attr:
type 0 (PERF_TYPE_HARDWARE)
config 0x400000000 (cpu_core/PERF_COUNT_HW_CPU_CYCLES/)
disabled 1
exclude_kernel 1
------------------------------------------------------------
sys_perf_event_open: pid 0 cpu -1 group_fd -1 flags 0x8 = 3
Attempt to add: software/cpu-clock/
..after resolving event: software/config=0/
cpu-clock -> software/cpu-clock/
------------------------------------------------------------
perf_event_attr:
type 1 (PERF_TYPE_SOFTWARE)
size 136
config 0x9 (PERF_COUNT_SW_DUMMY)
sample_type IP|TID|TIME|CPU
read_format ID|LOST
disabled 1
inherit 1
mmap 1
comm 1
enable_on_exec 1
task 1
sample_id_all 1
mmap2 1
comm_exec 1
ksymbol 1
bpf_event 1
{ wakeup_events, wakeup_watermark } 1
------------------------------------------------------------
sys_perf_event_open: pid 1189569 cpu 0 group_fd -1 flags 0x8
sys_perf_event_open failed, error -13
perf_evlist__open: Permission denied
---- end(-2) ----
Leak of file descriptor 6 that opened: 'pipe:[14200347]'
---- unexpected signal (6) ----
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
Failed to read build ID for //anon
#0 0x565358f6666e in child_test_sig_handler builtin-test.c:311
#1 0x7f29ce849df0 in __restore_rt libc_sigaction.c:0
#2 0x7f29ce89e95c in __pthread_kill_implementation pthread_kill.c:44
#3 0x7f29ce849cc2 in raise raise.c:27
#4 0x7f29ce8324ac in abort abort.c:81
#5 0x565358f662d4 in check_leaks builtin-test.c:226
#6 0x565358f6682e in run_test_child builtin-test.c:344
#7 0x565358ef7121 in start_command run-command.c:128
#8 0x565358f67273 in start_test builtin-test.c:545
#9 0x565358f6771d in __cmd_test builtin-test.c:647
#10 0x565358f682bd in cmd_test builtin-test.c:849
#11 0x565358ee5ded in run_builtin perf.c:349
#12 0x565358ee6085 in handle_internal_command perf.c:401
#13 0x565358ee61de in run_argv perf.c:448
#14 0x565358ee6527 in main perf.c:555
#15 0x7f29ce833ca8 in __libc_start_call_main libc_start_call_main.h:74
#16 0x7f29ce833d65 in __libc_start_main@@GLIBC_2.34 libc-start.c:128
#17 0x565358e391c1 in _start perf[851c1]
7: PERF_RECORD_* events & perf_sample fields : FAILED!
```
After:
```
$ perf test 7
7: PERF_RECORD_* events & perf_sample fields : Skip (permissions)
```
Fixes: 16d00fee7038 ("perf tests: Move test__PERF_RECORD into separate object")
Signed-off-by: Ian Rogers <irogers@google.com>
---
tools/perf/tests/perf-record.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/tools/perf/tests/perf-record.c b/tools/perf/tests/perf-record.c
index 0b3c37e66871..8c79b5166a05 100644
--- a/tools/perf/tests/perf-record.c
+++ b/tools/perf/tests/perf-record.c
@@ -115,6 +115,7 @@ static int test__PERF_RECORD(struct test_suite *test __maybe_unused, int subtest
if (err < 0) {
pr_debug("sched__get_first_possible_cpu: %s\n",
str_error_r(errno, sbuf, sizeof(sbuf)));
+ evlist__cancel_workload(evlist);
goto out_delete_evlist;
}
@@ -126,6 +127,7 @@ static int test__PERF_RECORD(struct test_suite *test __maybe_unused, int subtest
if (sched_setaffinity(evlist->workload.pid, cpu_mask_size, &cpu_mask) < 0) {
pr_debug("sched_setaffinity: %s\n",
str_error_r(errno, sbuf, sizeof(sbuf)));
+ evlist__cancel_workload(evlist);
goto out_delete_evlist;
}
@@ -137,6 +139,7 @@ static int test__PERF_RECORD(struct test_suite *test __maybe_unused, int subtest
if (err < 0) {
pr_debug("perf_evlist__open: %s\n",
str_error_r(errno, sbuf, sizeof(sbuf)));
+ evlist__cancel_workload(evlist);
goto out_delete_evlist;
}
@@ -149,6 +152,7 @@ static int test__PERF_RECORD(struct test_suite *test __maybe_unused, int subtest
if (err < 0) {
pr_debug("evlist__mmap: %s\n",
str_error_r(errno, sbuf, sizeof(sbuf)));
+ evlist__cancel_workload(evlist);
goto out_delete_evlist;
}
--
2.51.0.rc2.233.g662b1ed5c5-goog
On Thu, Aug 21, 2025 at 03:18:32PM -0700, Ian Rogers wrote: > The test starts a workload and then opens events. If the events fail > to open, for example because of perf_event_paranoid, the gopipe of the > workload is leaked and the file descriptor leak check fails when the > test exits. To avoid this cancel the workload when opening the events > fails. > > Before: > ``` > $ perf test -vv 7 > 7: PERF_RECORD_* events & perf_sample fields: > --- start --- ⬢ [acme@toolbx perf-tools-next]$ patch -p1 < b patching file tools/perf/tests/perf-record.c Hunk #1 succeeded at 130 (offset 15 lines). Hunk #2 succeeded at 142 with fuzz 1 (offset 15 lines). Hunk #3 succeeded at 154 (offset 15 lines). Hunk #4 succeeded at 167 (offset 15 lines). ⬢ [acme@toolbx perf-tools-next]$ ⬢ [acme@toolbx perf-tools-next]$ git log --oneline -5 tools/perf/tests/perf-record.c 576bd7a8c90c48e9 (x1/perf-tools-next, x1/HEAD, five/perf-tools-next, five/HEAD) perf tests record: Update testcase to fix usage of affinity for machines with #CPUs > 1K b4c658d4d63d6149 perf target: Remove uid from target dc6d2bc2d893a878 perf sample: Make user_regs and intr_regs optional fd8d5a3b076c033f perf tests: Add missing event.h include 9823147da6c893d9 perf tools: Move 'struct perf_sample' to a separate header file to disentangle headers ⬢ [acme@toolbx perf-tools-next]$ Can you please check that it is still ok? I processed the first in the series and now I'm going thru the other two. - Arnaldo > test child forked, pid 1189568 > Using CPUID GenuineIntel-6-B7-1 > ------------------------------------------------------------ > perf_event_attr: > type 0 (PERF_TYPE_HARDWARE) > config 0xa00000000 (cpu_atom/PERF_COUNT_HW_CPU_CYCLES/) > disabled 1 > ------------------------------------------------------------ > sys_perf_event_open: pid 0 cpu -1 group_fd -1 flags 0x8 > sys_perf_event_open failed, error -13 > ------------------------------------------------------------ > perf_event_attr: > type 0 (PERF_TYPE_HARDWARE) > config 0xa00000000 (cpu_atom/PERF_COUNT_HW_CPU_CYCLES/) > disabled 1 > exclude_kernel 1 > ------------------------------------------------------------ > sys_perf_event_open: pid 0 cpu -1 group_fd -1 flags 0x8 = 3 > ------------------------------------------------------------ > perf_event_attr: > type 0 (PERF_TYPE_HARDWARE) > config 0x400000000 (cpu_core/PERF_COUNT_HW_CPU_CYCLES/) > disabled 1 > ------------------------------------------------------------ > sys_perf_event_open: pid 0 cpu -1 group_fd -1 flags 0x8 > sys_perf_event_open failed, error -13 > ------------------------------------------------------------ > perf_event_attr: > type 0 (PERF_TYPE_HARDWARE) > config 0x400000000 (cpu_core/PERF_COUNT_HW_CPU_CYCLES/) > disabled 1 > exclude_kernel 1 > ------------------------------------------------------------ > sys_perf_event_open: pid 0 cpu -1 group_fd -1 flags 0x8 = 3 > Attempt to add: software/cpu-clock/ > ..after resolving event: software/config=0/ > cpu-clock -> software/cpu-clock/ > ------------------------------------------------------------ > perf_event_attr: > type 1 (PERF_TYPE_SOFTWARE) > size 136 > config 0x9 (PERF_COUNT_SW_DUMMY) > sample_type IP|TID|TIME|CPU > read_format ID|LOST > disabled 1 > inherit 1 > mmap 1 > comm 1 > enable_on_exec 1 > task 1 > sample_id_all 1 > mmap2 1 > comm_exec 1 > ksymbol 1 > bpf_event 1 > { wakeup_events, wakeup_watermark } 1 > ------------------------------------------------------------ > sys_perf_event_open: pid 1189569 cpu 0 group_fd -1 flags 0x8 > sys_perf_event_open failed, error -13 > perf_evlist__open: Permission denied > ---- end(-2) ---- > Leak of file descriptor 6 that opened: 'pipe:[14200347]' > > ---- unexpected signal (6) ---- > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > Failed to read build ID for //anon > #0 0x565358f6666e in child_test_sig_handler builtin-test.c:311 > #1 0x7f29ce849df0 in __restore_rt libc_sigaction.c:0 > #2 0x7f29ce89e95c in __pthread_kill_implementation pthread_kill.c:44 > #3 0x7f29ce849cc2 in raise raise.c:27 > #4 0x7f29ce8324ac in abort abort.c:81 > #5 0x565358f662d4 in check_leaks builtin-test.c:226 > #6 0x565358f6682e in run_test_child builtin-test.c:344 > #7 0x565358ef7121 in start_command run-command.c:128 > #8 0x565358f67273 in start_test builtin-test.c:545 > #9 0x565358f6771d in __cmd_test builtin-test.c:647 > #10 0x565358f682bd in cmd_test builtin-test.c:849 > #11 0x565358ee5ded in run_builtin perf.c:349 > #12 0x565358ee6085 in handle_internal_command perf.c:401 > #13 0x565358ee61de in run_argv perf.c:448 > #14 0x565358ee6527 in main perf.c:555 > #15 0x7f29ce833ca8 in __libc_start_call_main libc_start_call_main.h:74 > #16 0x7f29ce833d65 in __libc_start_main@@GLIBC_2.34 libc-start.c:128 > #17 0x565358e391c1 in _start perf[851c1] > 7: PERF_RECORD_* events & perf_sample fields : FAILED! > ``` > > After: > ``` > $ perf test 7 > 7: PERF_RECORD_* events & perf_sample fields : Skip (permissions) > ``` > > Fixes: 16d00fee7038 ("perf tests: Move test__PERF_RECORD into separate object") > Signed-off-by: Ian Rogers <irogers@google.com> > --- > tools/perf/tests/perf-record.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/tools/perf/tests/perf-record.c b/tools/perf/tests/perf-record.c > index 0b3c37e66871..8c79b5166a05 100644 > --- a/tools/perf/tests/perf-record.c > +++ b/tools/perf/tests/perf-record.c > @@ -115,6 +115,7 @@ static int test__PERF_RECORD(struct test_suite *test __maybe_unused, int subtest > if (err < 0) { > pr_debug("sched__get_first_possible_cpu: %s\n", > str_error_r(errno, sbuf, sizeof(sbuf))); > + evlist__cancel_workload(evlist); > goto out_delete_evlist; > } > > @@ -126,6 +127,7 @@ static int test__PERF_RECORD(struct test_suite *test __maybe_unused, int subtest > if (sched_setaffinity(evlist->workload.pid, cpu_mask_size, &cpu_mask) < 0) { > pr_debug("sched_setaffinity: %s\n", > str_error_r(errno, sbuf, sizeof(sbuf))); > + evlist__cancel_workload(evlist); > goto out_delete_evlist; > } > > @@ -137,6 +139,7 @@ static int test__PERF_RECORD(struct test_suite *test __maybe_unused, int subtest > if (err < 0) { > pr_debug("perf_evlist__open: %s\n", > str_error_r(errno, sbuf, sizeof(sbuf))); > + evlist__cancel_workload(evlist); > goto out_delete_evlist; > } > > @@ -149,6 +152,7 @@ static int test__PERF_RECORD(struct test_suite *test __maybe_unused, int subtest > if (err < 0) { > pr_debug("evlist__mmap: %s\n", > str_error_r(errno, sbuf, sizeof(sbuf))); > + evlist__cancel_workload(evlist); > goto out_delete_evlist; > } > > -- > 2.51.0.rc2.233.g662b1ed5c5-goog
On Tue, Sep 16, 2025 at 12:04 PM Arnaldo Carvalho de Melo <acme@kernel.org> wrote: > > On Thu, Aug 21, 2025 at 03:18:32PM -0700, Ian Rogers wrote: > > The test starts a workload and then opens events. If the events fail > > to open, for example because of perf_event_paranoid, the gopipe of the > > workload is leaked and the file descriptor leak check fails when the > > test exits. To avoid this cancel the workload when opening the events > > fails. > > > > Before: > > ``` > > $ perf test -vv 7 > > 7: PERF_RECORD_* events & perf_sample fields: > > --- start --- > > ⬢ [acme@toolbx perf-tools-next]$ patch -p1 < b > patching file tools/perf/tests/perf-record.c > Hunk #1 succeeded at 130 (offset 15 lines). > Hunk #2 succeeded at 142 with fuzz 1 (offset 15 lines). > Hunk #3 succeeded at 154 (offset 15 lines). > Hunk #4 succeeded at 167 (offset 15 lines). > ⬢ [acme@toolbx perf-tools-next]$ > ⬢ [acme@toolbx perf-tools-next]$ git log --oneline -5 tools/perf/tests/perf-record.c > 576bd7a8c90c48e9 (x1/perf-tools-next, x1/HEAD, five/perf-tools-next, five/HEAD) perf tests record: Update testcase to fix usage of affinity for machines with #CPUs > 1K > b4c658d4d63d6149 perf target: Remove uid from target > dc6d2bc2d893a878 perf sample: Make user_regs and intr_regs optional > fd8d5a3b076c033f perf tests: Add missing event.h include > 9823147da6c893d9 perf tools: Move 'struct perf_sample' to a separate header file to disentangle headers > ⬢ [acme@toolbx perf-tools-next]$ > > Can you please check that it is still ok? > > I processed the first in the series and now I'm going thru the other > two. Thanks Arnaldo! I'm not seeing the patch on: https://web.git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools-next.git/log/?h=tmp.perf-tools-next I'm happy to check. Ian > - Arnaldo > > > test child forked, pid 1189568 > > Using CPUID GenuineIntel-6-B7-1 > > ------------------------------------------------------------ > > perf_event_attr: > > type 0 (PERF_TYPE_HARDWARE) > > config 0xa00000000 (cpu_atom/PERF_COUNT_HW_CPU_CYCLES/) > > disabled 1 > > ------------------------------------------------------------ > > sys_perf_event_open: pid 0 cpu -1 group_fd -1 flags 0x8 > > sys_perf_event_open failed, error -13 > > ------------------------------------------------------------ > > perf_event_attr: > > type 0 (PERF_TYPE_HARDWARE) > > config 0xa00000000 (cpu_atom/PERF_COUNT_HW_CPU_CYCLES/) > > disabled 1 > > exclude_kernel 1 > > ------------------------------------------------------------ > > sys_perf_event_open: pid 0 cpu -1 group_fd -1 flags 0x8 = 3 > > ------------------------------------------------------------ > > perf_event_attr: > > type 0 (PERF_TYPE_HARDWARE) > > config 0x400000000 (cpu_core/PERF_COUNT_HW_CPU_CYCLES/) > > disabled 1 > > ------------------------------------------------------------ > > sys_perf_event_open: pid 0 cpu -1 group_fd -1 flags 0x8 > > sys_perf_event_open failed, error -13 > > ------------------------------------------------------------ > > perf_event_attr: > > type 0 (PERF_TYPE_HARDWARE) > > config 0x400000000 (cpu_core/PERF_COUNT_HW_CPU_CYCLES/) > > disabled 1 > > exclude_kernel 1 > > ------------------------------------------------------------ > > sys_perf_event_open: pid 0 cpu -1 group_fd -1 flags 0x8 = 3 > > Attempt to add: software/cpu-clock/ > > ..after resolving event: software/config=0/ > > cpu-clock -> software/cpu-clock/ > > ------------------------------------------------------------ > > perf_event_attr: > > type 1 (PERF_TYPE_SOFTWARE) > > size 136 > > config 0x9 (PERF_COUNT_SW_DUMMY) > > sample_type IP|TID|TIME|CPU > > read_format ID|LOST > > disabled 1 > > inherit 1 > > mmap 1 > > comm 1 > > enable_on_exec 1 > > task 1 > > sample_id_all 1 > > mmap2 1 > > comm_exec 1 > > ksymbol 1 > > bpf_event 1 > > { wakeup_events, wakeup_watermark } 1 > > ------------------------------------------------------------ > > sys_perf_event_open: pid 1189569 cpu 0 group_fd -1 flags 0x8 > > sys_perf_event_open failed, error -13 > > perf_evlist__open: Permission denied > > ---- end(-2) ---- > > Leak of file descriptor 6 that opened: 'pipe:[14200347]' > > > > ---- unexpected signal (6) ---- > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > Failed to read build ID for //anon > > #0 0x565358f6666e in child_test_sig_handler builtin-test.c:311 > > #1 0x7f29ce849df0 in __restore_rt libc_sigaction.c:0 > > #2 0x7f29ce89e95c in __pthread_kill_implementation pthread_kill.c:44 > > #3 0x7f29ce849cc2 in raise raise.c:27 > > #4 0x7f29ce8324ac in abort abort.c:81 > > #5 0x565358f662d4 in check_leaks builtin-test.c:226 > > #6 0x565358f6682e in run_test_child builtin-test.c:344 > > #7 0x565358ef7121 in start_command run-command.c:128 > > #8 0x565358f67273 in start_test builtin-test.c:545 > > #9 0x565358f6771d in __cmd_test builtin-test.c:647 > > #10 0x565358f682bd in cmd_test builtin-test.c:849 > > #11 0x565358ee5ded in run_builtin perf.c:349 > > #12 0x565358ee6085 in handle_internal_command perf.c:401 > > #13 0x565358ee61de in run_argv perf.c:448 > > #14 0x565358ee6527 in main perf.c:555 > > #15 0x7f29ce833ca8 in __libc_start_call_main libc_start_call_main.h:74 > > #16 0x7f29ce833d65 in __libc_start_main@@GLIBC_2.34 libc-start.c:128 > > #17 0x565358e391c1 in _start perf[851c1] > > 7: PERF_RECORD_* events & perf_sample fields : FAILED! > > ``` > > > > After: > > ``` > > $ perf test 7 > > 7: PERF_RECORD_* events & perf_sample fields : Skip (permissions) > > ``` > > > > Fixes: 16d00fee7038 ("perf tests: Move test__PERF_RECORD into separate object") > > Signed-off-by: Ian Rogers <irogers@google.com> > > --- > > tools/perf/tests/perf-record.c | 4 ++++ > > 1 file changed, 4 insertions(+) > > > > diff --git a/tools/perf/tests/perf-record.c b/tools/perf/tests/perf-record.c > > index 0b3c37e66871..8c79b5166a05 100644 > > --- a/tools/perf/tests/perf-record.c > > +++ b/tools/perf/tests/perf-record.c > > @@ -115,6 +115,7 @@ static int test__PERF_RECORD(struct test_suite *test __maybe_unused, int subtest > > if (err < 0) { > > pr_debug("sched__get_first_possible_cpu: %s\n", > > str_error_r(errno, sbuf, sizeof(sbuf))); > > + evlist__cancel_workload(evlist); > > goto out_delete_evlist; > > } > > > > @@ -126,6 +127,7 @@ static int test__PERF_RECORD(struct test_suite *test __maybe_unused, int subtest > > if (sched_setaffinity(evlist->workload.pid, cpu_mask_size, &cpu_mask) < 0) { > > pr_debug("sched_setaffinity: %s\n", > > str_error_r(errno, sbuf, sizeof(sbuf))); > > + evlist__cancel_workload(evlist); > > goto out_delete_evlist; > > } > > > > @@ -137,6 +139,7 @@ static int test__PERF_RECORD(struct test_suite *test __maybe_unused, int subtest > > if (err < 0) { > > pr_debug("perf_evlist__open: %s\n", > > str_error_r(errno, sbuf, sizeof(sbuf))); > > + evlist__cancel_workload(evlist); > > goto out_delete_evlist; > > } > > > > @@ -149,6 +152,7 @@ static int test__PERF_RECORD(struct test_suite *test __maybe_unused, int subtest > > if (err < 0) { > > pr_debug("evlist__mmap: %s\n", > > str_error_r(errno, sbuf, sizeof(sbuf))); > > + evlist__cancel_workload(evlist); > > goto out_delete_evlist; > > } > > > > -- > > 2.51.0.rc2.233.g662b1ed5c5-goog
On Tue, Sep 16, 2025 at 12:08:58PM -0700, Ian Rogers wrote: > On Tue, Sep 16, 2025 at 12:04 PM Arnaldo Carvalho de Melo <acme@kernel.org> wrote: > > On Thu, Aug 21, 2025 at 03:18:32PM -0700, Ian Rogers wrote: > > > The test starts a workload and then opens events. If the events fail > > > to open, for example because of perf_event_paranoid, the gopipe of the > > > workload is leaked and the file descriptor leak check fails when the > > > test exits. To avoid this cancel the workload when opening the events > > > fails. > > > Before: > > > ``` > > > $ perf test -vv 7 > > > 7: PERF_RECORD_* events & perf_sample fields: > > > --- start --- > > ⬢ [acme@toolbx perf-tools-next]$ patch -p1 < b > > patching file tools/perf/tests/perf-record.c > > Hunk #1 succeeded at 130 (offset 15 lines). > > Hunk #2 succeeded at 142 with fuzz 1 (offset 15 lines). > > Hunk #3 succeeded at 154 (offset 15 lines). > > Hunk #4 succeeded at 167 (offset 15 lines). > > ⬢ [acme@toolbx perf-tools-next]$ > > ⬢ [acme@toolbx perf-tools-next]$ git log --oneline -5 tools/perf/tests/perf-record.c > > 576bd7a8c90c48e9 (x1/perf-tools-next, x1/HEAD, five/perf-tools-next, five/HEAD) perf tests record: Update testcase to fix usage of affinity for machines with #CPUs > 1K > > b4c658d4d63d6149 perf target: Remove uid from target > > dc6d2bc2d893a878 perf sample: Make user_regs and intr_regs optional > > fd8d5a3b076c033f perf tests: Add missing event.h include > > 9823147da6c893d9 perf tools: Move 'struct perf_sample' to a separate header file to disentangle headers > > ⬢ [acme@toolbx perf-tools-next]$ > > Can you please check that it is still ok? > > I processed the first in the series and now I'm going thru the other > > two. > Thanks Arnaldo! I'm not seeing the patch on: > https://web.git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools-next.git/log/?h=tmp.perf-tools-next Sorry, I thought I had pushed it earlier, should be there now. > I'm happy to check. Thanks! - Arnaldo
On Tue, Sep 16, 2025 at 6:06 PM Arnaldo Carvalho de Melo <acme@kernel.org> wrote: > > On Tue, Sep 16, 2025 at 12:08:58PM -0700, Ian Rogers wrote: > > On Tue, Sep 16, 2025 at 12:04 PM Arnaldo Carvalho de Melo <acme@kernel.org> wrote: > > > On Thu, Aug 21, 2025 at 03:18:32PM -0700, Ian Rogers wrote: > > > > The test starts a workload and then opens events. If the events fail > > > > to open, for example because of perf_event_paranoid, the gopipe of the > > > > workload is leaked and the file descriptor leak check fails when the > > > > test exits. To avoid this cancel the workload when opening the events > > > > fails. > > > > > Before: > > > > ``` > > > > $ perf test -vv 7 > > > > 7: PERF_RECORD_* events & perf_sample fields: > > > > --- start --- > > > > ⬢ [acme@toolbx perf-tools-next]$ patch -p1 < b > > > patching file tools/perf/tests/perf-record.c > > > Hunk #1 succeeded at 130 (offset 15 lines). > > > Hunk #2 succeeded at 142 with fuzz 1 (offset 15 lines). > > > Hunk #3 succeeded at 154 (offset 15 lines). > > > Hunk #4 succeeded at 167 (offset 15 lines). > > > ⬢ [acme@toolbx perf-tools-next]$ > > > ⬢ [acme@toolbx perf-tools-next]$ git log --oneline -5 tools/perf/tests/perf-record.c > > > 576bd7a8c90c48e9 (x1/perf-tools-next, x1/HEAD, five/perf-tools-next, five/HEAD) perf tests record: Update testcase to fix usage of affinity for machines with #CPUs > 1K > > > b4c658d4d63d6149 perf target: Remove uid from target > > > dc6d2bc2d893a878 perf sample: Make user_regs and intr_regs optional > > > fd8d5a3b076c033f perf tests: Add missing event.h include > > > 9823147da6c893d9 perf tools: Move 'struct perf_sample' to a separate header file to disentangle headers > > > ⬢ [acme@toolbx perf-tools-next]$ > > > > Can you please check that it is still ok? > > > > I processed the first in the series and now I'm going thru the other > > > two. > > > Thanks Arnaldo! I'm not seeing the patch on: > > https://web.git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools-next.git/log/?h=tmp.perf-tools-next > > Sorry, I thought I had pushed it earlier, should be there now. > > > I'm happy to check. > > Thanks! Not seeing it, but I see the first patch. In any case I'll rebase and send as a v2. Thanks, Ian > - Arnaldo
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